Audio Trimmer
Cut audio files online, set start and end points, and export a clean clip.
Try it freeFree Audio Tool
Free SRT/VTT cleaner online
Paste subtitle text to clean whitespace, normalize cue text, and prepare SRT or VTT captions for review before upload.
Free Audio Tools
Professional audio tools right in your browser
Trim, convert, merge, record, estimate, and prepare audio for transcription. No downloads and no signup required for the tools.
Audio Converter
Convert browser-supported audio into a downloadable WAV file.
Try it freeAudio Merger
Combine multiple audio files into one browser-generated WAV file.
Try it freeMP3 Compressor
Reduce speech audio size with a browser-side, voice-optimized export.
Try it freeAudio Speed Changer
Change audio speed online for free, slow audio down or speed it up, and export a rendered WAV copy.
Try it freeVoice Recorder
Record audio directly from your microphone in the browser.
Try it freeTab Audio Recorder
Capture audio from another Chrome or Edge tab for videos, webinars, and browser playback.
Try it freeTab + Microphone Recorder
Record a Chrome or Edge tab and microphone together for Meet, Zoom Web, Teams, or browser calls without an extension.
Try it freeMeeting Notes Generator
Create a structured meeting agenda and notes template.
Try it freeWord Counter
Count words and characters and estimate speaking time.
Try it freeReading Time Calculator
Paste text and estimate read-aloud duration.
Try it freeAudio Length Estimator
Estimate how long a script will be when spoken.
Try it freeAudio Cleaner / Noise Reducer
Prepare speech audio for transcription with a browser-side voice-focused cleanup export.
Try it freeSilence Remover
Remove low-volume silence from speech recordings and export a shorter WAV file.
Try it freeVolume Normalizer
Normalize speech audio volume in your browser and export a louder, cleaner WAV copy.
Try it freeSplit Audio by Silence
Find quiet gaps in audio and create suggested split points for long recordings.
Try it freeSRT/VTT Cleaner
Clean subtitle text, normalize whitespace, and prepare SRT or VTT files for review.
Try it freeSubtitle Time Shifter
Shift SRT or VTT subtitle timestamps forward or backward.
Try it freeTranscript Word/Quote Extractor
Extract likely quotes, keywords, and useful lines from transcript text.
Try it freeFree browser tool
SRT/VTT Cleaner
AI Transcription
Interested in fast, accurate AI-based transcription?
Start free, upload your audio, and get a searchable transcript with speaker labels, timestamps, and export options.
Clean subtitle files before upload
Extra blank lines, copied formatting, and spacing issues can make captions harder to review. Clean them before publishing.
Use after transcript export
Generate captions from a transcript, then use the cleaner for a quick formatting pass before platform upload.
How it works
How to use the SRT/VTT Cleaner
- Paste SRT or VTT text.
- Clean the subtitle text.
- Copy or download the cleaned captions.
FAQ
SRT/VTT Cleaner questions
Does this retime captions?
No. It cleans text formatting. Use Subtitle Time Shifter to shift timestamps.
Can I clean both SRT and VTT?
Yes. Paste either format and review the cleaned output.